3 ms·
'Bubbles' could imply something like space-time changes, and in face a couple of comments speculatively / hopefully read them like this: [1], [2] But they're (
by vintagedave 2y ago
'Bubbles' could imply something like space-time changes, and in face a couple of comments speculatively / hopefully read them like this: [1], [2]
But they're (sadly?) much simpler: Spitzer bubbles 'are formed by radiation and winds from massive stars, which carve out holes within surrounding dust clouds.'
So really just the blast radius!
-- https://www.spitzer.caltech.edu/image/ssc2013-05a1-bubbles-within-bubbles https://www.spitzer.caltech.edu/image/ssc2013-05a1-bubbles-w...
I would _love_ it if either of both these comments were true, by the way. Space-time can be boring and restrictive. What if...? I love the idea of bubbles reflecting a smaller universe and what it might hint about FTL, for example, and I live in hope that we'll find abberations and abnormalities like this.
[1] https://news.ycombinator.com/item?id=43552920 https://news.ycombinator.com/item?id=43552920
[2] https://news.ycombinator.com/item?id=43552713 https://news.ycombinator.com/item?id=43552713
- __MatrixMan__ 2y agoThis notion appears in Death's End by Liu Cixin (sequel to the sequel to The Three Body problem).
- marcellus23 2y agoWhat notion?
- aeve890 2y agoBubbles of expanding change in the structure of spacetime. Spoiler ahead. In the book, under the "Dark Forest" game theory setting, super advanced civilizations wipe lesser ones out in increasingly complex ways, for example, triggering a spacetime flattening in the target solar system, creating a bubble where s-t collapses into 2D. Also, scars in s-t when reckless young civilizations use FTL technology.
- __MatrixMan__ 2y agoExactly, I was suprised to find "Bubbles" and "FTL" as viewed through a telescope, and not have the conversation be about that story.